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Histogram

Visit number vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 8 461 12.8 ± 12.0 9.2 0.0 74.9 - 461
Age (categorical) vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 455 12.6 ± 11.6 9.2 0.0 71.9 - 455
75-84 years 325 11.9 ± 11.1 8.8 0.2 71.9 - 325
85 years or older 130 14.4 ± 12.6 10.6 0.0 55.8 - 130
Gender vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 461 12.8 ± 12.0 9.2 0.0 74.9 - 461
Female 461 12.8 ± 12.0 9.2 0.0 74.9 - 461